You are to evaluate the efficacy of a dual technology sensor. In your discussion present Dual Technology Detectors, their underlying principles, and strengths and vulnerabilities, with a concluding recommendation of their efficacy.
Your task is to:
1. Present Dual Technology Detectors:
a. Discuss their underlying principles;
b. List their strengths;
c. List their vulnerabilities; and
d. Provide a recommendation on their use.